Craftable in all Levels:

Lighter + Chocolate + Mug = Molten Chocolate
Screwdriver + File = Sharp Screwdriver
Wire + Timber + Timber = Nunchucks
Nails + Baseball Bat = Nailed Baseball Bat
Sock + Battery = Super Sock Mace
Sock + Bar of Soap = Sock Mace
Hatchet + Crowbar + Duct Tape = Multi-tool
Frying Pan + Broom + Duct Tape = Paddle
Wire + Razor Blade + Timber = Whip
Razor Blade + Duct Tape = Knuckle Duster
Razor Blade + Comb = Razor Comb
Baton + Duct Tape + Sharp Screwdriver = Poker

Craftable in Greene Family Farm:

Broom + Balerwire + Rock = Mace
Metal Sheet + Balerwire + Hoe = Heavy Hoe
Battery + Drill = Power Drill
Timber + Balerwire + Sickle = Chopper

Craftables in Woodbury:

Knife + Duct Tape + Gold Ring = Razor Claw
Lighter + Mug + Coffee = Molten Coffee
Duct Tape + Barber Scissors + Flag = Flag Pole

Craftables in Alexandria:

Broom + Duct Tape + Toaster = Mallet
Sock + Tin Can = Tin Mace
Duct Tape + Trophy + Gold Club = Heavy Club

Gun Extensions:

Spring + File + Pistol
Electric Screwdriver + Spring + Pistol
Spring + Pliers + Shotgun
File + Hacksaw + Shotgun
Rifle + Electric Screwdriver + Chisel
Scope + Rifle + Electric Screwdriver
Machine Gun + Pliers + Blow Torch
Pliers + Chisel + Machine Gun